CN111844665A

CN111844665A - Iris film production equipment and application method thereof

Info

Publication number: CN111844665A
Application number: CN202010485328.2A
Authority: CN
Inventors: 黄文龙; 王益民
Original assignee: Yiwu Wuhuan Printing Co Ltd
Current assignee: Yiwu Wuhuan Printing Co Ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2020-10-30

Abstract

The invention relates to rainbow film production equipment, which comprises an extruding device, a cooling and shaping device, an edge cutting device and a winding device which are sequentially distributed from the right side to the left side, and is characterized in that: extrusion device includes storage vat, hot melt conveyer pipe, filter, flow regulator, crowded mould altogether and cooling exhaust mechanism, and the inside chill roll and the last item that is equipped with of cooling setting device, side cut device include guiding axle, feed roll, arbor, compression roller and garbage collection mechanism, and the coiling mechanism includes rotating turret, hold-down mechanism, belt drive mechanism and support. The invention utilizes the hot melting conveying pipe to simultaneously complete two procedures of heating melting and conveying, is beneficial to simplifying the structure of the equipment, reducing the occupied area of the equipment, improving the production efficiency and the energy utilization rate, and can collect and treat the smoke generated when the rainbow film is solidified by arranging the cooling exhaust mechanism and the waste material collecting mechanism, thereby reducing the environmental pollution, maintaining the environmental sanitation of the production site and realizing the recycling of the waste materials.

Description

Iris film production equipment and application method thereof

Technical Field

The invention belongs to the technical field of rainbow film production, and particularly relates to rainbow film production equipment and an application method thereof.

Background

The rainbow film is a composite film which realizes colorful colors by utilizing the interference principle of light, is different from a colorful plastic film which is printed and dyed by colors, has more flexible and changeable colors, and can present different colorful effects when observed from different angles and different distances. The rainbow film is usually prepared by adopting a multilayer coextrusion casting mode, the manufacturing of the casting film in China starts late, casting equipment is introduced from abroad only in the 20 th century and the 80 th century, and the casting film production industry in China has considerable production scale and production capacity after decades of continuous development.

However, in China, certain gaps exist in the aspects of automation degree of production equipment of cast films, product quality, environmental protection and the like compared with the foreign technology, and the defects of low energy utilization efficiency, overlong production line, insufficient cooperativity among equipment and the like exist, so that the production benefit is low. In addition, waste materials, waste gases and the like generated in the production process can not be efficiently collected, and the sanitary environment of the production site is easily affected.

In order to solve the above problems, many attempts have been made in the prior art, for example, in a chinese patent having publication No. CN109177012A of 2019, 1, 11 and No. CN109177012A, a cast film production line is disclosed, which includes a casting frame, a die head, a casting roller, and a vacuum pumping mechanism, and collects soot generated when a raw material is melted by the vacuum pumping mechanism, thereby reducing a contact area between the soot and the casting roller, extending a cleaning cycle of the casting roller, and improving product quality. However, this proposal does not address the issues of improving energy utilization efficiency, shortening the production line, and the like, and does not collect and dispose of waste materials generated in the production process.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide rainbow film production equipment with high automation degree, high energy utilization efficiency, small occupied area, good product quality and small pollution and an application method of the equipment.

The technical scheme adopted by the invention for solving the problems is as follows: this rainbow film production facility, including extrusion device, cooling setting device, side cut device and coiling mechanism, its characterized in that: the extrusion device comprises a storage barrel, a hot melting conveying pipe, a filter, a flow regulator, a co-extrusion die and a cooling and exhausting mechanism, wherein the storage barrel is connected with the hot melting conveying pipe through a discharge pipe, the right end of the hot melting conveying pipe is connected with a rotating motor, the filter and the flow regulator are arranged at the left end of the hot melting conveying pipe, the top of the co-extrusion die is connected with the hot melting conveying pipe, the cooling and exhausting mechanism is positioned above the co-extrusion die, the cooling and shaping device is positioned at the left side of the extrusion device, two cooling rollers and two pressing shafts are arranged inside the cooling and shaping device, the trimming device is positioned at the left side of the cooling and shaping device, a plurality of guide shafts and a plurality of feeding rollers are arranged inside the trimming device, a cutter shaft is arranged at the right side of the feeding rollers, two trimming cutters are, the winding device is located the left side of side cut device, and the rotating turret is installed to the inside top of winding device, and the wind-up roll is installed to the left and right sides of rotating turret, and the right side of wind-up roll is equipped with hold-down mechanism, hold-down mechanism installs in side cut device's frame, and hold-down mechanism includes compressing roller, telescopic link and pressure spring, the rotating turret passes through belt drive mechanism and is connected with the front side support, the internally mounted of front side support has the motor, and the top of front side support is equipped with the control cabinet. The storage barrel is used for storing solid resin particle raw materials, the raw materials enter the hot melting conveying pipe through the discharge pipe to be heated and melted until the raw materials are converted into molten liquid, then unmelted particles and other impurities mixed in the molten liquid are removed through the filter, the outflow speed of the molten liquid is adjusted through the flow regulator, the coextrusion die is internally provided with a plurality of extrusion flow channels and layering flow channels, the molten liquid is divided and layered in the die and is cooled and solidified to form a film at an extrusion opening of the die, and the cooling and exhausting mechanism is used for accelerating the cooling of the coextrusion die and collecting and processing smoke generated when the molten liquid is cooled and solidified. The cooling setting device utilizes the last item to compress tightly the rainbow film on the chill roll, make rainbow film and chill roll fully contact, promote the heat transfer of the two, the cooling of rainbow film is stereotyped with higher speed, the side cut device is used for cutting off the deckle edge of rainbow film both sides, and control the off-the-shelf width of rainbow film, guiding axle and feed roll are used for making the rainbow film along fixed direction motion, the arbor is used for controlling the angle of side cut sword, and then the start and the stop of control side cut process, side cut sword movable mounting can the width that the finished product required nimble adjustment finished product membrane of finished product on the arbor. The winding device is used for rolling up finished film after trimming, the rotating frame can rotate, two winding rollers work in turn, the pressing mechanism utilizes the pressing spring and the telescopic rod to press the pressing roller on the winding roller, the formed film roll can be more compact, the motor in the front side support can drive the rotating frame to rotate and the winding roller to rotate respectively through the belt transmission mechanism, the winding device is operated through the control console, and higher automation degree can be realized.

Preferably, the storage vat of the invention comprises a large storage vat and a small storage vat, the hot melting delivery pipe comprises a first delivery pipe and a second delivery pipe, the large storage vat is connected with the first delivery pipe, and the small storage vat is connected with the second delivery pipe. The rainbow film provided by the invention takes PBT resin and PMMA resin as raw materials, PBT resin particles are usually placed in a large storage barrel, PMMA resin is placed in a small storage barrel, the two raw materials are respectively heated and melted through different hot melting conveying pipes, and then flow into a co-extrusion die to complete casting co-extrusion.

Preferably, the screw is arranged in the hot melting conveying pipe, the middle of the top surface of the hot melting conveying pipe is connected with the vent pipe, and the pipe wall of the hot melting conveying pipe is provided with the heating layer. The invention heats and melts the resin raw material by using the hot melting conveying pipe, and simultaneously realizes the stirring and conveying functions by using the screw rod, so that the resin particles are gradually and completely melted into a molten state while continuously moving leftwards, thereby being beneficial to simplifying the equipment structure, shortening the production period and improving the production efficiency. The breather pipe is used for discharging the gas that produces when melting, avoids the rainbow film because of defects such as gas residue bubble appear.

Preferably, the cooling exhaust mechanism of the present invention includes an exhaust pipe, a purifier and a first exhaust fan, both ends of the exhaust pipe are respectively connected to the co-extrusion die and the purifier, the purifier is fixed to the lower side of the mounting plate, and the first exhaust fan is fixed to the upper side of the mounting plate. Utilize first air exhauster to bleed, the smog that produces when making the rainbow film cooling solidification gets into in the clarifier along the blast pipe to by the abundant absorption of clarifier, thereby reach the purpose that reduces the gaseous emission of pollution, can accelerate the cooling of crowded mould altogether simultaneously.

Preferably, the cooling roll of the present invention is connected to a cooling circulation pipe. Utilize cooling circulation pipeline to carry out circulating water cooling to the chill roll, can realize the rapid cooling of chill roll, and then the cooling of rainbow film is stereotyped with higher speed.

Preferably, the driving motors are installed at both ends of the cutter shaft and the press roll. The driving motors at the two ends of the cutter shaft are used for controlling the angle of the trimming cutter on the cutter shaft so as to control the start and stop of the trimming process, and the driving motors at the two ends of the press roller are used for controlling the feeding speed of the rainbow film.

Preferably, the waste collecting mechanism is further installed inside the edge cutting device, the waste collecting mechanism comprises a second exhaust fan and a material sucking pipe, the second exhaust fan is located at the bottom of the edge cutting device, one end of the material sucking pipe is connected with the second exhaust fan, the other end of the material sucking pipe is fixed at the position below the left side of the two ends of the feeding roller, and an inclined material sucking port is formed in the material sucking pipe. Waste materials generated by trimming enter the suction pipe from the suction port under the action of suction force of the second exhaust fan, then enter the waste material collection box connected with the second exhaust fan to realize waste material collection, which is beneficial to maintaining the environmental sanitation of a production site and can realize waste recycling by processing the waste materials.

An application method of rainbow film production equipment specifically comprises the following steps: solid resin particles are used as raw materials and are stored in a storage barrel, when the device works, the resin particles flow into a hot melting conveying pipe through a discharge pipe to be heated, a rotating motor is used for driving a screw rod to stir and transport, the resin particles are gradually melted into molten liquid while continuously moving leftwards, a filter is used for removing unmelted particles and other impurities mixed in the molten liquid, a flow regulator is used for regulating the outflow speed of the molten liquid, then the molten liquid is introduced into a co-extrusion die to complete the tape casting co-extrusion process to form the rainbow film, a cooling exhaust mechanism is used for collecting and processing generated smoke during the extrusion process, the formed rainbow film is rapidly cooled and shaped under the action of a cooling roller and a pressing shaft, a trimming device is used for cutting burrs at two sides of the rainbow film to ensure that the width of the rainbow film meets the requirement of a finished product, and trimming waste is collected through a waste collecting mechanism, and finally, rolling the rainbow film into a film roll with a certain length by using a rolling device.

Compared with the prior art, the invention has the following advantages and effects:

(1) the extrusion device provided by the invention adopts the hot-melt conveying pipe as the heating mechanism, can simultaneously complete two processes of heating, melting and conveying, and is beneficial to simplifying the equipment structure, reducing the occupied area of the equipment and improving the production efficiency and the energy utilization rate.

(2) According to the invention, the cooling exhaust mechanism is arranged above the co-extrusion die, so that the cooling of the co-extrusion die can be accelerated, the solidification and film forming of the rainbow film are promoted, the smoke generated in the solidification process can be collected and treated, and the environmental pollution is reduced.

(3) According to the invention, the waste material collecting mechanism is arranged in the edge cutting device, so that the environmental sanitation of a production site is maintained, and the waste material can be recycled by treating the waste material.

Drawings

In order to illustrate the embodiments of the present invention or the solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive effort.

Fig. 1 is a schematic front view of an embodiment of the present invention.

Fig. 2 is a schematic top view of an embodiment of the present invention.

Fig. 3 is a left side view schematically illustrating the extrusion apparatus according to the embodiment of the present invention.

Fig. 4 is a schematic top view of a winding device according to an embodiment of the present invention.

Fig. 5 is a schematic view of an internal structure of the winding device according to the embodiment of the invention.

Description of reference numerals: 1. an extrusion device; 2. a cooling and shaping device; 3. a trimming device; 4. a winding device; 5. a storage barrel; 6. a hot melting conveying pipe; 7. a filter; 8. a flow regulator; 9. co-extrusion mould; 10. a cooling exhaust mechanism; 11. a discharge pipe; 12. a rotating electric machine; 13. a cooling roll; 14. pressing the shaft; 15. a guide shaft; 16. a feed roller; 17. a cutter shaft; 18. a trimming knife; 19. a cylinder; 20. a compression roller; 21. a rotating frame; 22. a wind-up roll; 23. a hold-down mechanism; 24. a pressure roller; 25. a telescopic rod; 26. a compression spring; 27. a belt drive mechanism; 28. a front side bracket; 29. a console; 30. a large storage barrel; 31. a small storage barrel; 32. a first delivery pipe; 33. a second delivery pipe; 34. a screw; 35. a breather pipe; 36. an exhaust pipe; 37. a purifier; 38. a first exhaust fan; 39. mounting a plate; 40. a cooling circulation pipe; 41. a waste collection mechanism; 42. a second exhaust fan; 43. a material suction pipe; 44. and (4) a material sucking port.

Detailed Description

The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.

Examples are given.

Referring to fig. 1 to 5, the rainbow film production apparatus according to the embodiment of the present invention includes an extruding device 1, a cooling and sizing device 2, an edge cutting device 3, and a winding device 4.

The extrusion device 1 of this embodiment includes storage vat 5, hot melt conveyer pipe 6, filter 7, flow regulator 8, crowded mould 9 and cooling exhaust mechanism 10 altogether, and storage vat 5 includes big storage vat 30 and little storage vat 31, and hot melt conveyer pipe 6 includes first conveyer pipe 32 and second conveyer pipe 33, and wherein, big storage vat 30 is connected with first conveyer pipe 32, and little storage vat 31 is connected with second conveyer pipe 33. The rainbow film of this embodiment uses solid-state PBT resin granule and PMMA resin granule as the raw materials, holds PBT resin granule in big storage vat 30 usually, and PMMA resin granule holds in little storage vat 31, and two kinds of raw materialss flow into two hot melt delivery pipes 6 through discharging pipe 11 respectively and are heated and melt.

The right-hand member of the hot melt conveyer pipe 6 of this embodiment is connected with rotating electrical machines 12, rotating electrical machines 12 is used for controlling the screw rod 34 rotation of hot melt conveyer pipe 6 internally mounted, the pipe wall of hot melt conveyer pipe 6 is equipped with the zone of heating, solid-state resin granule is heated in hot melt conveyer pipe 6 and is changed into the melting liquid gradually, utilize screw rod 34 to stir and transport during, make the resin granule accomplish the melting process gradually in the continuous motion left, help simplifying equipment structure, shorten production cycle, improve production efficiency. The top surface middle part of hot melt conveyer pipe 6 is connected with breather pipe 35, and breather pipe 35 is used for the gaseous exhaust that produces when melting, avoids the rainbow film because of defects such as gaseous residual appearance bubble. A filter 7 and a flow regulator 8 are arranged above the left end of the hot melting conveying pipe 6, the filter 7 is used for removing unmelted particles and other impurities mixed in the molten liquid, the flow regulator 8 is used for regulating the outflow speed of the molten liquid, the left end of the hot melting conveying pipe 6 is connected with the top of a co-extrusion die 9, a plurality of extrusion flow channels and layering flow channels are arranged inside the co-extrusion die 9, so that the molten liquid is divided and layered inside the die, and is cooled and solidified into a film at a die extrusion opening. The cooling and exhausting mechanism 10 comprises an exhaust pipe 36, a purifier 37 and a first exhaust fan 38, wherein both ends of the exhaust pipe 36 are respectively connected with the co-extrusion die 9 and the purifier 37, the purifier 37 is fixed on the lower side of a mounting plate 39, and the first exhaust fan 38 is fixed on the upper side of the mounting plate 39. When the cooling exhaust mechanism 10 works, the first exhaust fan 38 is used for exhausting air, so that smoke generated when the rainbow film is cooled and solidified enters the purifier 37 along the exhaust pipe 36 and is fully absorbed by the purifier 37, the purpose of reducing the emission of polluted gas is achieved, and the cooling of the co-extrusion die can be accelerated.

The cooling setting device 2 of this embodiment is located extrusion device 1's left side, and the inside of cooling setting device 2 is equipped with two chill roll 13 and two last axles 14, and chill roll 13 is connected with cooling circulation pipeline 40, utilizes cooling circulation pipeline 40 to carry out circulating water cooling to chill roll 13, can realize chill roll 13's rapid cooling, and then the cooling of iris diaphragm is stereotyped with higher speed, and last axle 14 is used for compressing tightly the iris diaphragm on chill roll 13, promotes the heat transfer of the two.

The side cut device 3 of this embodiment is located the left side of cooling setting device 2, the inside of side cut device 3 is equipped with the guiding axle 15 and a feed roll 16 of a plurality of quantity, make the rainbow film can follow fixed direction motion, the right side of feed roll 16 is equipped with an arbor 17, the both ends of arbor 17 are connected with driving motor, movable mounting has two side cut swoves 18 on arbor 17, side cut sword 18 is used for cutting off the deckle edge of rainbow film both sides, the rotatory angle that changes side cut sword 18 of arbor 17 is controlled through driving motor, and then the start and the stop of control side cut process, can adjust the off-the-shelf width of rainbow film through the position of adjustment side cut sword 18 on arbor 17. A press roller 20 is movably arranged above the feed roller 16 through an air cylinder 19, driving motors are also arranged at two ends of the press roller 20, the feeding speed of the rainbow film can be controlled by adjusting the rotating speed of the press roller 20, and the air cylinder 19 is used for adjusting the size of the gap between the press roller 20 and the feed roller 16.

The waste collecting mechanism 41 is further installed inside the edge cutting device 3 of this embodiment, the waste collecting mechanism 41 includes a second exhaust fan 42 and a material sucking pipe 43, wherein the second exhaust fan 42 is located at the bottom of the edge cutting device 3, one end of the material sucking pipe 43 is connected with the second exhaust fan 42, the other end of the material sucking pipe 43 is fixed at the lower position of the left side of the two ends of the feeding roller 16, and the material sucking pipe 43 is provided with an oblique material sucking port 44. When the edge cutting device 3 works, waste materials cut by the edge cutting knife 18 enter the material suction pipe 43 from the material suction port 44 under the suction action of the second exhaust fan 42 and then enter the waste material collection box connected with the second exhaust fan 42 to realize waste material collection, so that the environmental sanitation of a production site can be maintained, and the waste materials can be recycled by treating the waste materials.

The coiling mechanism 4 of this embodiment is located the left side of side cut device 3, the rotating turret 21 is installed to the inside top of coiling mechanism 4, wind-up roll 22 is installed to the left and right sides of rotating turret 21, rotating turret 21 can rotate, make two wind-up rolls 22 work in turn, the right side of wind-up roll 22 is equipped with hold-down mechanism 23, hold-down mechanism 23 installs in the frame of side cut device 3, and including pinch roller 24, telescopic link 25 and pressure spring 26, hold-down mechanism 23 utilizes pressure spring 26 and telescopic link 25 to press pinch roller 24 on wind-up roll 22, the membrane that enables wind-up roll 22 to form is rolled up more closely. The rotating frame 21 is connected with the front side support 28 through the belt transmission mechanism 27, two motors are mounted below the inside of the front side support 28, the motors can drive the rotating frame 21 to rotate and the winding roller 22 to rotate through the belt transmission mechanism 27 respectively, switching of the winding roller 22 and winding of the rainbow film are achieved, the console 29 is arranged above the front side support 28, programs can be preset through the console 29 to enable the winding device 4 to automatically work, and the high automation degree is achieved.

In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an illustration of the structure of the present invention. Equivalent or simple changes in the structure, characteristics and principles of the invention are included in the protection scope of the patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a rainbow film production facility, includes extrusion device (1), cooling setting device (2), side cut device (3) and coiling mechanism (4), its characterized in that: the extrusion device (1) comprises a storage vat (5), a hot-melt conveying pipe (6), a filter (7), a flow regulator (8), a co-extrusion die (9) and a cooling exhaust mechanism (10), wherein the storage vat (5) is connected with the hot-melt conveying pipe (6) through a discharge pipe (11), the right end of the hot-melt conveying pipe (6) is connected with a rotating motor (12), the filter (7) and the flow regulator (8) are installed at the left end of the hot-melt conveying pipe (6), the top of the co-extrusion die (9) is connected with the hot-melt conveying pipe (6), the cooling exhaust mechanism (10) is located above the co-extrusion die (9), the cooling shaping device (2) is located on the left side of the extrusion device (1), two cooling rollers (13) and two pressing shafts (14) are arranged inside the cooling shaping device (2), and the edge cutting device (3) is located on the left side of the cooling shaping device (, the inside of side cut device (3) is equipped with guide shaft (15) and a feed roll (16) of a plurality of quantity, the right side of feed roll (16) is equipped with a arbor (17), and movable mounting has two side cut sword (18) on arbor (17), and there is compression roller (20) feed roll (16) top through cylinder (19) movable mounting, coiling mechanism (4) are located the left side of side cut device (3), and rotating turret (21) is installed to the inside top of coiling mechanism (4), and wind-up roll (22) are installed to the left and right sides of rotating turret (21), and the right side of wind-up roll (22) is equipped with hold-down mechanism (23), hold-down mechanism (23) are installed in the frame of side cut device (3), and hold-down mechanism (23) include pinch roller (24), telescopic link (25) and compression spring (26), rotating turret (21) are connected with front side support (28) through belt drive mechanism (27), the motor is installed inside the front side support (28), and a control console (29) is arranged above the front side support (28).

2. A rainbow iris production apparatus as claimed in claim 1, wherein: storage vat (5) are including big storage vat (30) and little storage vat (31), hot melt conveyer pipe (6) are including first conveyer pipe (32) and second conveyer pipe (33), and big storage vat (30) are connected with first conveyer pipe (32), and little storage vat (31) are connected with second conveyer pipe (33).

3. A rainbow iris production apparatus as claimed in claim 1, wherein: the internally mounted of hot melt conveyer pipe (6) has screw rod (34), and the top surface middle part is connected with breather pipe (35), and the pipe wall of hot melt conveyer pipe (6) is equipped with the zone of heating.

4. A rainbow iris production apparatus as claimed in claim 1, wherein: cooling exhaust mechanism (10) include blast pipe (36), clarifier (37) and first air exhauster (38), the both ends of blast pipe (36) are connected with crowded mould (9) and clarifier (37) altogether respectively, the downside at mounting panel (39) is fixed in clarifier (37), the upside at mounting panel (39) is fixed in first air exhauster (38).

5. A rainbow iris production apparatus as claimed in claim 1, wherein: the cooling roller (13) is connected with a cooling circulation pipeline (40).

6. A rainbow iris production apparatus as claimed in claim 1, wherein: and driving motors are arranged at two ends of the cutter shaft (17) and the pressing roller (20).

7. A rainbow iris production apparatus as claimed in claim 1, wherein: waste collection mechanism (41) are still installed to the inside of side cut device (3), waste collection mechanism (41) include second air exhauster (42) and inhale material pipe (43), second air exhauster (42) are located the bottom of side cut device (3), inhale the one end and the second air exhauster (42) of material pipe (43) and link to each other, and the other end is fixed in the left side below position at feed roll (16) both ends, inhales and is equipped with the slant on material pipe (43) and inhales material mouth (44).

8. A method of using a rainbow iris production apparatus as claimed in any one of claims 1 to 7, wherein: solid resin particles are used as raw materials and are stored in a storage barrel (5), when the device works, the resin particles flow into a hot melting conveying pipe (6) through a discharge pipe (11) to be heated, a rotary motor (12) is used for driving a screw rod (34) to stir and transport, the resin particles are gradually melted into molten liquid while continuously moving leftwards, a filter (7) is used for removing unmelted particles and other impurities mixed in the molten liquid, the outflow speed of the molten liquid is adjusted by a flow adjuster (8), then the molten liquid is introduced into a co-extrusion die (9) to complete a tape casting co-extrusion process to form a rainbow film, a cooling exhaust mechanism (10) is used for collecting and processing generated smoke in the extrusion process, the formed iris color is rapidly cooled and shaped under the action of a cooling roller (13) and a pressing shaft (14), and burrs at two sides of the rainbow film are cut off by a trimming device (3), make its width reach the finished product requirement to collect the side cut waste material through garbage collection mechanism (41), utilize coiling mechanism (4) to roll up the rainbow film into the film of certain length at last.